Breathe2 V1.1

V1.1 was designed to fit into a cap of a PVC pipe and all this held upside down so that the cap is on top. The gaps in the PCB would allow the air sensor to get fresh air and so on. The PCB would have a dual task as a PCB and of keeping the components mounted on it from being exposed to external weather conditions.

A populated V1.1 board and its bottom with our name and version.

However, the biggest mistake (Subir’s) was the selection of the power supplies MP1584 (see the 5V written by hand on the left disc) which ran hot within a few minutes leading to resetting of the boards.

10 PCBs were made, some were populated, but due to the fundamental problem of power supply, all this had to be scrapped.

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